/* ============================================================
   AIMOQ — Navigation
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding-top: var(--sp-5);
  padding-bottom: var(--sp-5);
  padding-block: var(--sp-5);
  transition: background var(--tr-base), padding var(--tr-base), box-shadow var(--tr-base);
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 1px 0 rgba(77, 95, 187, 0.10), 0 4px 20px rgba(77, 95, 187, 0.10);
  padding-top: var(--sp-3);
  padding-bottom: var(--sp-3);
  padding-block: var(--sp-3);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
}

/* ── Logo ── */
.nav__logo img {
  height: 44px;
  width: auto;
  transition: opacity var(--tr-fast), transform var(--tr-fast);
}

.nav__logo img:hover {
  opacity: 0.85;
  transform: scale(1.02);
}

/* ── Desktop Links ── */
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
}

.nav__link {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-text-2);
  position: relative;
  padding-top: var(--sp-1);
  padding-bottom: var(--sp-1);
  padding-block: var(--sp-1);
  transition: color var(--tr-fast);
  white-space: nowrap;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--clr-brand), var(--clr-accent));
  border-radius: var(--radius-full);
  transition: width var(--tr-base);
}

.nav__link:hover,
.nav__link.active {
  color: var(--clr-brand);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

/* ── CTA Button ── */
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}

.btn-nav-cta {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  padding: 0.55rem 1.4rem;
  background: var(--clr-brand);
  color: var(--clr-white);
  border-radius: var(--radius-full);
  transition: all var(--tr-base);
  white-space: nowrap;
  box-shadow: var(--shadow-brand);
}

.btn-nav-cta:hover {
  background: var(--clr-brand-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-brand-lg);
}

/* ── Hamburger ── */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  padding: var(--sp-1);
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--clr-brand);
  border-radius: var(--radius-full);
  transition: all var(--tr-base);
  transform-origin: center;
}

.nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile Drawer ── */
.nav__drawer {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-nav) + 10);
  pointer-events: none;
  display: none;
}

.nav__drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity var(--tr-base);
}

.nav__drawer-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(300px, 88vw);
  background: #FFFFFF;
  border-left: 1px solid var(--clr-border);
  padding: var(--sp-6);
  transform: translateX(100%);
  transition: transform var(--tr-slow);
  display: flex;
  flex-direction: column;
  gap: var(--sp-8);
  overflow-y: auto;
}

.nav__drawer.is-open {
  pointer-events: all;
}

.nav__drawer.is-open .nav__drawer-backdrop { opacity: 1; }
.nav__drawer.is-open .nav__drawer-panel    { transform: translateX(0); }

.nav__drawer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__drawer-logo img {
  height: 30px;
}

.nav__drawer-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--clr-text-2);
  font-size: 1.3rem;
  transition: all var(--tr-fast);
  line-height: 1;
}

.nav__drawer-close:hover {
  background: var(--clr-bg-card);
  color: var(--clr-text-1);
}

.nav__drawer-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav__drawer-link {
  font-size: var(--fs-lg);
  font-weight: var(--fw-medium);
  color: var(--clr-text-2);
  padding: var(--sp-3) var(--sp-3);
  border-radius: var(--radius-md);
  transition: all var(--tr-fast);
}

.nav__drawer-link:hover {
  background: var(--clr-bg-secondary);
  color: var(--clr-brand);
}

.nav__drawer-cta {
  margin-top: auto;
  padding-top: var(--sp-6);
  border-top: 1px solid var(--clr-border);
}

.nav__drawer-cta .btn-primary {
  width: 100%;
  justify-content: center;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .nav__links,
  .nav__actions { display: none; }
  .nav__toggle   { display: flex; }
  .nav__drawer   { display: block; }
}